1DDH

MHC CLASS I H-2DD HEAVY CHAIN COMPLEXED WITH BETA-2 MICROGLOBULIN AND AN IMMUNODOMINANT PEPTIDE P18-I10 FROM THE HUMAN IMMUNODEFICIENCY VIRUS ENVELOPE GLYCOPROTEIN 120

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	MHC CLASS I H-2DD HEAVY CHAIN	polymer	274	31862.4	1	UniProt (P01900) Pfam (PF00129) Pfam (PF07654) In PDB	Mus musculus (house mouse)
2	B	BETA-2 MICROGLOBULIN	polymer	99	11678.4	1	UniProt (P01887) Pfam (PF07654) In PDB	Mus musculus (house mouse)
3	P	HUMAN IMMUNODEFICIENCY VIRUS ENVELOPE GLYCOPROTEIN 120	polymer	10	1075.3	1	UniProt (P04582) In PDB	Human immunodeficiency virus 1
4		water	water		18.0	4	Chemie (HOH)

Sequence modifications

A: 2 - 274 (UniProt: P01900)

PDB	External Database	Details
Asn 68	Lys 92	conflict
Ala 181	Arg 205	conflict
Glu 212	Asp 236	conflict
Gln 254	Glu 278	conflict

B: 2 - 99 (UniProt: P01887)

PDB	External Database	Details
Ala 85	Asp 105	conflict

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	44616.1
All*	Total formula weight	44616.1

*Water molecules are not included.